[Tkinter] Modal window

[deanhystad]

If all you want to do is display a block of text and an ok button, look at tkinter.dialog.Dialog, the parent class for tkinter common dialogs.

import tkinter as tk
from tkinter.dialog import Dialog, DIALOG_ICON


class Window(tk.Tk):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.title("Basic Dialog Demo")
        tk.Button(
            self, text='Push me! Push me! Push me!', command=self.opendialog
        ).pack(padx=80, pady=(100, 10))


    def opendialog(self):
        with open(__file__, "r") as file:
            text = file.read()

        Dialog(
            self,
            title="Popup Dialog",
            text=text,
            bitmap=DIALOG_ICON,
            default=0,
            strings=("OK",)
        )
        print("Dialog closed.")


Window().mainloop()